#index_main{
	 width: 100%;
	  height:800px;
	 background: url("../../images/background.jpg");
	  background-repeat: no-repeat;
	background-attachment: fixed;
	background-position: center;
	background-size: cover;

}
#index_button{
	width:100px;
	height:100px;
	position: absolute;
	
	top:50%;
	left:50%;
	margin-left:-50px
}
 button{
 				width:100px;
                border: 1px solid #ccc;
                padding: 7px 0px;
                border-radius: 3px;
                padding-left:5px;
                background-color: #000;
                 opacity:0.8;
                -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
                box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
                -webkit-transition: border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;
                -o-transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
                transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s
            }
 button:focus{
                    border-color: #A5DE37;
                    outline: 0;
                    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6);
                    box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)
            }
  button:hover{
                    border-color: #A5DE37;
                    outline: 0;
                    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6);
                    box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)
            }